APA (7th ed.) Citation

Verderber, R. F., Verderber, K. S., & Sellnow, D. D. (2008). The challenge of effective speaking. Thomson Wadsworth.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F., Kathleen S. Verderber, and Deanna D. Sellnow. The Challenge of Effective Speaking. Thomson Wadsworth, 2008.

MLA (8th ed.) Citation

Verderber, Rudolph F., et al. The Challenge of Effective Speaking. Thomson Wadsworth, 2008.